./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20b89f8a60d2f6d2584628c0d5624c8090542a805d1f710cb23a05b88ce8a600 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:23:45,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:23:45,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:23:45,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:23:45,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:23:45,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:23:45,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:23:45,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:23:45,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:23:45,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:23:45,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:23:45,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:23:45,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:23:45,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:23:45,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:23:45,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:23:45,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:23:45,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:23:45,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:23:45,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:23:45,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:23:45,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:23:45,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:23:45,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:23:45,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:23:45,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:23:45,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:23:45,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:23:45,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:23:45,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:23:45,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:23:45,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:23:45,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:23:45,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:23:45,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:23:45,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:23:45,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:23:45,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:23:45,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:23:45,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:23:45,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:23:45,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:23:45,668 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20b89f8a60d2f6d2584628c0d5624c8090542a805d1f710cb23a05b88ce8a600 [2024-11-12 02:23:45,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:23:45,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:23:45,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:23:45,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:23:45,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:23:45,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-11-12 02:23:47,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:23:47,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:23:47,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-11-12 02:23:47,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1adb974a9/536c394af6614ec486e6eae40d97f5ea/FLAGc197e3ad8 [2024-11-12 02:23:47,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1adb974a9/536c394af6614ec486e6eae40d97f5ea [2024-11-12 02:23:47,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:23:47,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:23:47,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:23:47,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:23:47,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:23:47,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2597eff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47, skipping insertion in model container [2024-11-12 02:23:47,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:23:47,513 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i[915,928] [2024-11-12 02:23:47,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:23:47,600 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:23:47,610 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i[915,928] [2024-11-12 02:23:47,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:23:47,654 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:23:47,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47 WrapperNode [2024-11-12 02:23:47,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:23:47,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:23:47,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:23:47,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:23:47,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,708 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-11-12 02:23:47,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:23:47,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:23:47,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:23:47,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:23:47,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,775 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 02:23:47,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:23:47,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:23:47,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:23:47,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:23:47,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (1/1) ... [2024-11-12 02:23:47,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:23:47,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:23:47,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 02:23:47,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 02:23:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:23:47,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:23:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:23:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:23:47,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:23:47,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:23:47,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:23:47,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:23:48,306 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 02:23:48,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:23:48,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:23:48,319 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:23:48,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:48 BoogieIcfgContainer [2024-11-12 02:23:48,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:23:48,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:23:48,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:23:48,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:23:48,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:23:47" (1/3) ... [2024-11-12 02:23:48,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555acbce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:48, skipping insertion in model container [2024-11-12 02:23:48,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47" (2/3) ... [2024-11-12 02:23:48,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555acbce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:48, skipping insertion in model container [2024-11-12 02:23:48,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:48" (3/3) ... [2024-11-12 02:23:48,329 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-11-12 02:23:48,341 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:23:48,341 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:23:48,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:23:48,410 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d8c5371, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:23:48,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:23:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 66 states have internal predecessors, (90), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-12 02:23:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-12 02:23:48,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:23:48,431 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:23:48,432 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:23:48,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:23:48,437 INFO L85 PathProgramCache]: Analyzing trace with hash 598275583, now seen corresponding path program 1 times [2024-11-12 02:23:48,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:23:48,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811437214] [2024-11-12 02:23:48,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:23:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:23:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:23:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:23:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:23:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:23:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:23:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:23:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:23:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:23:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:23:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:23:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:23:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:23:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:23:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:23:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:23:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:23:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:23:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:23:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:23:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:23:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:23:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:23:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:23:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:23:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:23:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:23:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:23:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:23:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:23:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:23:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:23:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:23:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:23:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:23:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:23:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:23:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:23:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:23:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:23:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:23:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:23:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:23:48,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:23:48,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811437214] [2024-11-12 02:23:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811437214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:23:48,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:23:48,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:23:48,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137366083] [2024-11-12 02:23:48,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:23:48,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:23:48,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:23:48,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:23:48,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:23:48,919 INFO L87 Difference]: Start difference. First operand has 109 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 66 states have internal predecessors, (90), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:23:48,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:23:48,969 INFO L93 Difference]: Finished difference Result 211 states and 379 transitions. [2024-11-12 02:23:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:23:48,972 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 251 [2024-11-12 02:23:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:23:48,977 INFO L225 Difference]: With dead ends: 211 [2024-11-12 02:23:48,978 INFO L226 Difference]: Without dead ends: 105 [2024-11-12 02:23:48,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:23:48,982 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:23:48,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:23:48,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-12 02:23:49,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-12 02:23:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-12 02:23:49,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 165 transitions. [2024-11-12 02:23:49,024 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 165 transitions. Word has length 251 [2024-11-12 02:23:49,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:23:49,024 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 165 transitions. [2024-11-12 02:23:49,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:23:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 165 transitions. [2024-11-12 02:23:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-12 02:23:49,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:23:49,028 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:23:49,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:23:49,028 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:23:49,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:23:49,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1120972483, now seen corresponding path program 1 times [2024-11-12 02:23:49,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:23:49,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318127029] [2024-11-12 02:23:49,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:23:49,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:23:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:23:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:23:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:23:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:23:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:23:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:23:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:23:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:23:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:23:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:23:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:23:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:23:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:23:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:23:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:23:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:23:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:23:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:23:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:23:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:23:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:23:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:23:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:23:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:23:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:23:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:23:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:23:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:23:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:23:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:23:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:23:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:23:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:23:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:23:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:23:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:23:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:23:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:23:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:23:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:23:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:23:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:23:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:23:58,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:23:58,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318127029] [2024-11-12 02:23:58,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318127029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:23:58,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:23:58,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 02:23:58,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357300732] [2024-11-12 02:23:58,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:23:58,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 02:23:58,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:23:58,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 02:23:58,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-12 02:23:58,916 INFO L87 Difference]: Start difference. First operand 105 states and 165 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:24:01,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:01,507 INFO L93 Difference]: Finished difference Result 417 states and 642 transitions. [2024-11-12 02:24:01,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 02:24:01,508 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 251 [2024-11-12 02:24:01,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:01,514 INFO L225 Difference]: With dead ends: 417 [2024-11-12 02:24:01,514 INFO L226 Difference]: Without dead ends: 315 [2024-11-12 02:24:01,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2024-11-12 02:24:01,516 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 889 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:01,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 863 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 02:24:01,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-12 02:24:01,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 196. [2024-11-12 02:24:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 111 states have (on average 1.3243243243243243) internal successors, (147), 111 states have internal predecessors, (147), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 02:24:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 311 transitions. [2024-11-12 02:24:01,560 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 311 transitions. Word has length 251 [2024-11-12 02:24:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:01,561 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 311 transitions. [2024-11-12 02:24:01,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:24:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 311 transitions. [2024-11-12 02:24:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-12 02:24:01,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:01,565 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:01,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:24:01,565 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:01,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:01,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1513999493, now seen corresponding path program 1 times [2024-11-12 02:24:01,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:01,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854933800] [2024-11-12 02:24:01,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:01,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:01,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:01,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854933800] [2024-11-12 02:24:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854933800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:01,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:01,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:24:01,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137151523] [2024-11-12 02:24:01,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:01,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:24:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:01,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:24:01,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:24:01,817 INFO L87 Difference]: Start difference. First operand 196 states and 311 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:01,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:01,880 INFO L93 Difference]: Finished difference Result 333 states and 522 transitions. [2024-11-12 02:24:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:24:01,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 251 [2024-11-12 02:24:01,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:01,883 INFO L225 Difference]: With dead ends: 333 [2024-11-12 02:24:01,883 INFO L226 Difference]: Without dead ends: 231 [2024-11-12 02:24:01,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:24:01,884 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 42 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:01,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 485 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:24:01,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-12 02:24:01,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-12 02:24:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 138 states have (on average 1.326086956521739) internal successors, (183), 139 states have internal predecessors, (183), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 355 transitions. [2024-11-12 02:24:01,911 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 355 transitions. Word has length 251 [2024-11-12 02:24:01,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:01,912 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 355 transitions. [2024-11-12 02:24:01,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 355 transitions. [2024-11-12 02:24:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-12 02:24:01,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:01,915 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:01,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:24:01,915 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:01,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:01,915 INFO L85 PathProgramCache]: Analyzing trace with hash -419907905, now seen corresponding path program 1 times [2024-11-12 02:24:01,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:01,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245947757] [2024-11-12 02:24:01,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:01,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245947757] [2024-11-12 02:24:09,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245947757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:09,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:09,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 02:24:09,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734697933] [2024-11-12 02:24:09,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:09,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 02:24:09,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:09,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 02:24:09,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 02:24:09,157 INFO L87 Difference]: Start difference. First operand 228 states and 355 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:09,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:09,713 INFO L93 Difference]: Finished difference Result 402 states and 615 transitions. [2024-11-12 02:24:09,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 02:24:09,715 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 251 [2024-11-12 02:24:09,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:09,719 INFO L225 Difference]: With dead ends: 402 [2024-11-12 02:24:09,719 INFO L226 Difference]: Without dead ends: 268 [2024-11-12 02:24:09,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 02:24:09,720 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 134 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:09,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 665 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 02:24:09,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-12 02:24:09,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 147. [2024-11-12 02:24:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 100 states have internal predecessors, (134), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 44 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 02:24:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 224 transitions. [2024-11-12 02:24:09,745 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 224 transitions. Word has length 251 [2024-11-12 02:24:09,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:09,745 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 224 transitions. [2024-11-12 02:24:09,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 224 transitions. [2024-11-12 02:24:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-12 02:24:09,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:09,748 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:09,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:24:09,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:09,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:09,749 INFO L85 PathProgramCache]: Analyzing trace with hash -862807045, now seen corresponding path program 1 times [2024-11-12 02:24:09,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:09,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745937003] [2024-11-12 02:24:09,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:09,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:10,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:10,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745937003] [2024-11-12 02:24:10,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745937003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:10,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:10,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 02:24:10,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63389798] [2024-11-12 02:24:10,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:10,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 02:24:10,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:10,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 02:24:10,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:24:10,293 INFO L87 Difference]: Start difference. First operand 147 states and 224 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:10,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:10,661 INFO L93 Difference]: Finished difference Result 424 states and 651 transitions. [2024-11-12 02:24:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 02:24:10,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 251 [2024-11-12 02:24:10,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:10,664 INFO L225 Difference]: With dead ends: 424 [2024-11-12 02:24:10,664 INFO L226 Difference]: Without dead ends: 280 [2024-11-12 02:24:10,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-12 02:24:10,665 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 171 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:10,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 600 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:24:10,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-12 02:24:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 232. [2024-11-12 02:24:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 142 states have (on average 1.323943661971831) internal successors, (188), 143 states have internal predecessors, (188), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 360 transitions. [2024-11-12 02:24:10,694 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 360 transitions. Word has length 251 [2024-11-12 02:24:10,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:10,698 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 360 transitions. [2024-11-12 02:24:10,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 360 transitions. [2024-11-12 02:24:10,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:10,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:10,700 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:10,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:24:10,701 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:10,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:10,701 INFO L85 PathProgramCache]: Analyzing trace with hash 717630209, now seen corresponding path program 1 times [2024-11-12 02:24:10,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:10,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716994573] [2024-11-12 02:24:10,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:15,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:15,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716994573] [2024-11-12 02:24:15,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716994573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:15,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:15,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 02:24:15,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353830197] [2024-11-12 02:24:15,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:15,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 02:24:15,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:15,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 02:24:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 02:24:15,884 INFO L87 Difference]: Start difference. First operand 232 states and 360 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:17,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:17,339 INFO L93 Difference]: Finished difference Result 576 states and 859 transitions. [2024-11-12 02:24:17,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 02:24:17,340 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:24:17,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:17,342 INFO L225 Difference]: With dead ends: 576 [2024-11-12 02:24:17,342 INFO L226 Difference]: Without dead ends: 432 [2024-11-12 02:24:17,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-12 02:24:17,343 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 563 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:17,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 829 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 02:24:17,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-12 02:24:17,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 237. [2024-11-12 02:24:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 147 states have (on average 1.3333333333333333) internal successors, (196), 148 states have internal predecessors, (196), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 368 transitions. [2024-11-12 02:24:17,367 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 368 transitions. Word has length 252 [2024-11-12 02:24:17,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:17,367 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 368 transitions. [2024-11-12 02:24:17,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 368 transitions. [2024-11-12 02:24:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:17,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:17,373 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:17,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 02:24:17,373 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:17,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:17,373 INFO L85 PathProgramCache]: Analyzing trace with hash 324603199, now seen corresponding path program 1 times [2024-11-12 02:24:17,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:17,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271764781] [2024-11-12 02:24:17,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:21,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:22,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:22,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271764781] [2024-11-12 02:24:22,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271764781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:22,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:22,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 02:24:22,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001877020] [2024-11-12 02:24:22,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:22,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 02:24:22,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:22,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 02:24:22,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 02:24:22,038 INFO L87 Difference]: Start difference. First operand 237 states and 368 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:24:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:23,571 INFO L93 Difference]: Finished difference Result 544 states and 815 transitions. [2024-11-12 02:24:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 02:24:23,573 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 252 [2024-11-12 02:24:23,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:23,575 INFO L225 Difference]: With dead ends: 544 [2024-11-12 02:24:23,575 INFO L226 Difference]: Without dead ends: 400 [2024-11-12 02:24:23,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-12 02:24:23,577 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 394 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:23,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1062 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 02:24:23,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-12 02:24:23,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 245. [2024-11-12 02:24:23,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 155 states have (on average 1.335483870967742) internal successors, (207), 156 states have internal predecessors, (207), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:23,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 379 transitions. [2024-11-12 02:24:23,596 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 379 transitions. Word has length 252 [2024-11-12 02:24:23,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:23,596 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 379 transitions. [2024-11-12 02:24:23,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:24:23,597 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 379 transitions. [2024-11-12 02:24:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:23,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:23,599 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:23,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 02:24:23,599 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:23,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:23,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1418694787, now seen corresponding path program 1 times [2024-11-12 02:24:23,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:23,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177980699] [2024-11-12 02:24:23,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:23,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:30,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177980699] [2024-11-12 02:24:30,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177980699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:30,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:30,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 02:24:30,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255217969] [2024-11-12 02:24:30,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:30,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 02:24:30,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:30,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 02:24:30,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 02:24:30,967 INFO L87 Difference]: Start difference. First operand 245 states and 379 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:32,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:32,634 INFO L93 Difference]: Finished difference Result 539 states and 808 transitions. [2024-11-12 02:24:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 02:24:32,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:24:32,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:32,638 INFO L225 Difference]: With dead ends: 539 [2024-11-12 02:24:32,638 INFO L226 Difference]: Without dead ends: 395 [2024-11-12 02:24:32,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-12 02:24:32,639 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 388 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:32,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 862 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 02:24:32,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-12 02:24:32,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 246. [2024-11-12 02:24:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 157 states have internal predecessors, (209), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 381 transitions. [2024-11-12 02:24:32,659 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 381 transitions. Word has length 252 [2024-11-12 02:24:32,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:32,660 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 381 transitions. [2024-11-12 02:24:32,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 381 transitions. [2024-11-12 02:24:32,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:32,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:32,661 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:32,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 02:24:32,662 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:32,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:32,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1025667777, now seen corresponding path program 1 times [2024-11-12 02:24:32,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:32,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130499555] [2024-11-12 02:24:32,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:32,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:36,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:37,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:37,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130499555] [2024-11-12 02:24:37,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130499555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:37,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:37,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 02:24:37,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085135685] [2024-11-12 02:24:37,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:37,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 02:24:37,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:37,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 02:24:37,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 02:24:37,084 INFO L87 Difference]: Start difference. First operand 246 states and 381 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:24:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:38,414 INFO L93 Difference]: Finished difference Result 516 states and 776 transitions. [2024-11-12 02:24:38,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 02:24:38,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 252 [2024-11-12 02:24:38,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:38,418 INFO L225 Difference]: With dead ends: 516 [2024-11-12 02:24:38,418 INFO L226 Difference]: Without dead ends: 372 [2024-11-12 02:24:38,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-12 02:24:38,420 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 440 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:38,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 832 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 02:24:38,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-12 02:24:38,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 245. [2024-11-12 02:24:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 155 states have (on average 1.335483870967742) internal successors, (207), 156 states have internal predecessors, (207), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 379 transitions. [2024-11-12 02:24:38,441 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 379 transitions. Word has length 252 [2024-11-12 02:24:38,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:38,442 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 379 transitions. [2024-11-12 02:24:38,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 02:24:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 379 transitions. [2024-11-12 02:24:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:38,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:38,443 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:38,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 02:24:38,443 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:38,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:38,444 INFO L85 PathProgramCache]: Analyzing trace with hash -293487041, now seen corresponding path program 1 times [2024-11-12 02:24:38,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:38,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233558496] [2024-11-12 02:24:38,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:43,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:43,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233558496] [2024-11-12 02:24:43,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233558496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:43,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:43,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 02:24:43,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896009642] [2024-11-12 02:24:43,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:43,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 02:24:43,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:43,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 02:24:43,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 02:24:43,665 INFO L87 Difference]: Start difference. First operand 245 states and 379 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:44,413 INFO L93 Difference]: Finished difference Result 538 states and 808 transitions. [2024-11-12 02:24:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 02:24:44,414 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:24:44,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:44,416 INFO L225 Difference]: With dead ends: 538 [2024-11-12 02:24:44,416 INFO L226 Difference]: Without dead ends: 394 [2024-11-12 02:24:44,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:24:44,417 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 299 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:44,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 682 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 02:24:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-12 02:24:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 252. [2024-11-12 02:24:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 162 states have (on average 1.345679012345679) internal successors, (218), 163 states have internal predecessors, (218), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 390 transitions. [2024-11-12 02:24:44,438 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 390 transitions. Word has length 252 [2024-11-12 02:24:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:44,439 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 390 transitions. [2024-11-12 02:24:44,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 390 transitions. [2024-11-12 02:24:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:44,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:44,440 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:44,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 02:24:44,441 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:44,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:44,441 INFO L85 PathProgramCache]: Analyzing trace with hash -686514051, now seen corresponding path program 1 times [2024-11-12 02:24:44,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:44,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479036727] [2024-11-12 02:24:44,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:44,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:45,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:45,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479036727] [2024-11-12 02:24:45,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479036727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:45,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:45,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 02:24:45,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258892978] [2024-11-12 02:24:45,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:45,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 02:24:45,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:45,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 02:24:45,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:24:45,161 INFO L87 Difference]: Start difference. First operand 252 states and 390 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:45,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:45,708 INFO L93 Difference]: Finished difference Result 489 states and 742 transitions. [2024-11-12 02:24:45,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 02:24:45,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:24:45,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:45,711 INFO L225 Difference]: With dead ends: 489 [2024-11-12 02:24:45,711 INFO L226 Difference]: Without dead ends: 340 [2024-11-12 02:24:45,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-12 02:24:45,713 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 244 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:45,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 635 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 02:24:45,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-12 02:24:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 253. [2024-11-12 02:24:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 163 states have (on average 1.3496932515337423) internal successors, (220), 164 states have internal predecessors, (220), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 392 transitions. [2024-11-12 02:24:45,747 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 392 transitions. Word has length 252 [2024-11-12 02:24:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:45,748 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 392 transitions. [2024-11-12 02:24:45,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 392 transitions. [2024-11-12 02:24:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:45,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:45,749 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:45,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 02:24:45,749 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:45,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:45,750 INFO L85 PathProgramCache]: Analyzing trace with hash 407577537, now seen corresponding path program 1 times [2024-11-12 02:24:45,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:45,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422308327] [2024-11-12 02:24:45,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:45,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:52,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:52,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422308327] [2024-11-12 02:24:52,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422308327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:52,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:52,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 02:24:52,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650598202] [2024-11-12 02:24:52,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:52,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 02:24:52,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 02:24:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-12 02:24:52,016 INFO L87 Difference]: Start difference. First operand 253 states and 392 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:53,043 INFO L93 Difference]: Finished difference Result 481 states and 729 transitions. [2024-11-12 02:24:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 02:24:53,044 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:24:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:53,046 INFO L225 Difference]: With dead ends: 481 [2024-11-12 02:24:53,046 INFO L226 Difference]: Without dead ends: 332 [2024-11-12 02:24:53,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-12 02:24:53,048 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 329 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:53,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 707 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 02:24:53,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-12 02:24:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 250. [2024-11-12 02:24:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 160 states have (on average 1.35) internal successors, (216), 161 states have internal predecessors, (216), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-12 02:24:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 388 transitions. [2024-11-12 02:24:53,069 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 388 transitions. Word has length 252 [2024-11-12 02:24:53,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:53,070 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 388 transitions. [2024-11-12 02:24:53,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 388 transitions. [2024-11-12 02:24:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:53,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:53,071 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:53,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 02:24:53,071 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:53,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:53,072 INFO L85 PathProgramCache]: Analyzing trace with hash -562233469, now seen corresponding path program 1 times [2024-11-12 02:24:53,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:53,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299150794] [2024-11-12 02:24:53,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:24:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:24:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:24:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:24:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:24:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:24:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:24:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:24:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:24:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:24:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:24:53,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:53,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299150794] [2024-11-12 02:24:53,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299150794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:53,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:53,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:24:53,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333254686] [2024-11-12 02:24:53,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:53,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:24:53,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:53,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:24:53,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:24:53,330 INFO L87 Difference]: Start difference. First operand 250 states and 388 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:53,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:53,404 INFO L93 Difference]: Finished difference Result 430 states and 655 transitions. [2024-11-12 02:24:53,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:24:53,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:24:53,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:53,407 INFO L225 Difference]: With dead ends: 430 [2024-11-12 02:24:53,407 INFO L226 Difference]: Without dead ends: 281 [2024-11-12 02:24:53,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:24:53,409 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 61 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:53,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 494 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:24:53,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-12 02:24:53,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 237. [2024-11-12 02:24:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 82 states have call successors, (82), 4 states have call predecessors, (82), 4 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 02:24:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 366 transitions. [2024-11-12 02:24:53,440 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 366 transitions. Word has length 252 [2024-11-12 02:24:53,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:53,440 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 366 transitions. [2024-11-12 02:24:53,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:24:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 366 transitions. [2024-11-12 02:24:53,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:24:53,442 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:53,442 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:24:53,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 02:24:53,443 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:53,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:53,443 INFO L85 PathProgramCache]: Analyzing trace with hash -955260479, now seen corresponding path program 1 times [2024-11-12 02:24:53,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:53,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15391691] [2024-11-12 02:24:53,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:25:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:25:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:25:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:25:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:25:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:25:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:25:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:25:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:25:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:25:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:25:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:25:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:25:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:25:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:25:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:25:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:25:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:25:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:25:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:25:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:25:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:25:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:25:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:25:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:25:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:25:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:25:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:25:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:25:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:25:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:25:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:25:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:25:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:25:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:25:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:25:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:25:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:25:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:25:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:25:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:25:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:25:01,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:25:01,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15391691] [2024-11-12 02:25:01,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15391691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:25:01,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:25:01,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 02:25:01,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380195797] [2024-11-12 02:25:01,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:25:01,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 02:25:01,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:25:01,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 02:25:01,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-12 02:25:01,418 INFO L87 Difference]: Start difference. First operand 237 states and 366 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:25:02,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:25:02,768 INFO L93 Difference]: Finished difference Result 456 states and 684 transitions. [2024-11-12 02:25:02,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 02:25:02,768 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:25:02,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:25:02,770 INFO L225 Difference]: With dead ends: 456 [2024-11-12 02:25:02,770 INFO L226 Difference]: Without dead ends: 322 [2024-11-12 02:25:02,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-12 02:25:02,771 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 353 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:25:02,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 923 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 02:25:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-12 02:25:02,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 241. [2024-11-12 02:25:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 82 states have call successors, (82), 4 states have call predecessors, (82), 4 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 02:25:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 371 transitions. [2024-11-12 02:25:02,791 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 371 transitions. Word has length 252 [2024-11-12 02:25:02,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:25:02,791 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 371 transitions. [2024-11-12 02:25:02,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:25:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 371 transitions. [2024-11-12 02:25:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-12 02:25:02,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:25:02,793 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:25:02,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 02:25:02,793 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:25:02,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:25:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash -254195901, now seen corresponding path program 1 times [2024-11-12 02:25:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:25:02,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899659158] [2024-11-12 02:25:02,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:25:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:25:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:25:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:25:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:25:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:25:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:25:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:25:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:25:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:25:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:25:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:25:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:25:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:25:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:25:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:25:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:25:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:25:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:25:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:25:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:25:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:25:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:25:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:25:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:25:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:25:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:25:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:25:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:25:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:25:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:25:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:25:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:25:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:25:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:25:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:25:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:25:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:25:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 02:25:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 02:25:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 02:25:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 02:25:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 02:25:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 02:25:08,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:25:08,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899659158] [2024-11-12 02:25:08,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899659158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:25:08,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:25:08,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 02:25:08,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539674232] [2024-11-12 02:25:08,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:25:08,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 02:25:08,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:25:08,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 02:25:08,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 02:25:08,719 INFO L87 Difference]: Start difference. First operand 241 states and 371 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:25:09,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:25:09,566 INFO L93 Difference]: Finished difference Result 423 states and 642 transitions. [2024-11-12 02:25:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 02:25:09,567 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 252 [2024-11-12 02:25:09,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:25:09,568 INFO L225 Difference]: With dead ends: 423 [2024-11-12 02:25:09,569 INFO L226 Difference]: Without dead ends: 289 [2024-11-12 02:25:09,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:25:09,569 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 135 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:25:09,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 739 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:25:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-12 02:25:09,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 239. [2024-11-12 02:25:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 152 states have (on average 1.3486842105263157) internal successors, (205), 152 states have internal predecessors, (205), 82 states have call successors, (82), 4 states have call predecessors, (82), 4 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 02:25:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 369 transitions. [2024-11-12 02:25:09,589 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 369 transitions. Word has length 252 [2024-11-12 02:25:09,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:25:09,590 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 369 transitions. [2024-11-12 02:25:09,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 02:25:09,590 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 369 transitions. [2024-11-12 02:25:09,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-12 02:25:09,591 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:25:09,591 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:25:09,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 02:25:09,591 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:25:09,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:25:09,591 INFO L85 PathProgramCache]: Analyzing trace with hash -51914600, now seen corresponding path program 1 times [2024-11-12 02:25:09,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:25:09,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041807018] [2024-11-12 02:25:09,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:25:09,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:25:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat